Description:It starts on August 1.The heroine wakes up in the morning to find her memories from before that day ALL gone...How she lived her life, what kind of relationships she had with people, all blank like a white paper.Calling himself a ghost, a boy named Orion appears in front of you. You start on your quest to get back your memories with an everyday life with Orion's help, but one day, you get a phone call from someone you don't know. You meet with 'him' whom you have no memories of. A love story starts with you with no memories and 'him'.